206007073 has 2 divisors, whose sum is σ = 206007074. Its totient is φ = 206007072.

The previous prime is 206006963. The next prime is 206007077. The reversal of 206007073 is 370700602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171819664 + 34187409 = 13108^2 + 5847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206007073 is a prime.

It is not a weakly prime, because it can be changed into another prime (206007077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103003536 + 103003537.

It is an arithmetic number, because the mean of its divisors is an integer number (103003537).

Almost surely, 2^206007073 is an apocalyptic number.

It is an amenable number.

206007073 is a deficient number, since it is larger than the sum of its proper divisors (1).

206007073 is an equidigital number, since it uses as much as digits as its factorization.

206007073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 206007073 is about 14352.9464919228. The cubic root of 206007073 is about 590.6008176245.

Adding to 206007073 its reverse (370700602), we get a palindrome (576707675).

The spelling of 206007073 in words is "two hundred six million, seven thousand, seventy-three".